Q1 Postmastery's Email Delivery Benchmark
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Global Email Delivery Benchmark Report Summary
This inaugural report assesses email delivery performance from January to May 2024.
The benchmark offers a clear snapshot of MBP email delivery performance. It provides a baseline for senders to compare and improve their email delivery metrics. Postmastery plans to release these benchmarks quarterly, with the next report expected in July 2024.
Key Metrics
- Delivery Rate: Most ESPs exceed 95%, with Seznam.cz nearly perfect.
- Bounce Rate: Mimecast.com has the highest bounce rate at 4.41%.
- Deferred Rate: Mimecast.com also leads in deferred rate at 29.71%, indicating potential delays.
- Average Delivery Time: Seznam.cz excels with an 18-second average, while Eco-mx.cz averages 2 hours and 29 minutes.
Detailed Insights
- Bounce Rate Analysis: Visual charts for Google, Outlook.com, Yahoo, and Office 365.
- Deferred Rate Analysis: Shows significant variances among MBPs.
- Average Delivery Time: Performance range across different time buckets.
- Common SMTP Errors: Lists common errors for major providers.
- New Google Error Codes: Introduces new Google-specific error codes.
Download the full report:
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